Uncategorized
-
EarthNorth and South: Equal melting from each hemisphere raised ice age sea levels
The gargantuan volumes of meltwater that boosted sea levels during the most recent round of ice ages derived equally from ice sheets in the Northern and Southern Hemispheres.
By Sid Perkins -
Ringing Out Despair: Phone therapy gets call as depression buster
Psychotherapy delivered over the telephone shows promise as a depression treatment when offered in conjunction with prescribed antidepressant medication.
By Bruce Bower -
AstronomySuper Portrait: X-ray telescope eyes supernova remnant
Trained on Cassiopeia A for 11.5 days, NASA's Chandra X-ray Observatory has taken the most detailed portrait ever recorded of any supernova remnant.
By Ron Cowen -
EarthRounding Up Resistance: Weed sacrifices seeds to put up with a herbicide
Use of herbicides containing glyphosate can drive evolution in the tall morning glory, even though the weed must simultaneously sacrifice a measure of its fertility.